fmtlib/fmt
1
0
Fork 1
mirror of https://github.com/fmtlib/fmt.git synced 2025-11-29 22:00:09 +01:00
Code Issues Packages Projects Releases Wiki Activity

Make append work with fixed-size buffer

Browse Source
This commit is contained in:
Victor Zverovich
2020-07-11 06:53:25 -07:00
parent e8ec09ae83
commit d870468159
3 changed files with 35 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
include/fmt/format.h
View File

@@ -571,11 +571,15 @@ template <typename T> constexpr bool use_grisu() {
template <typename T>
template <typename U>
void buffer<T>::append(const U* begin, const U* end) {
size_t new_size = size_ + to_unsigned(end - begin);
try_reserve(new_size);
std::uninitialized_copy(begin, end,
make_checked(ptr_ + size_, capacity_ - size_));
size_ = new_size;
do {
auto count = to_unsigned(end - begin);
try_reserve(size_ + count);
auto free_cap = capacity_ - size_;
if (free_cap < count) count = free_cap;
std::uninitialized_copy_n(begin, count, make_checked(ptr_ + size_, count));
size_ += count;
begin += count;
} while (begin != end);
}
} // namespace detail